# # unfished
# add_theme(:ggplot2_base,
#     bglegend = _invisible,
#     fg       = :white,
#     fglegend = _invisible,
#     fgguide  = :black)
#
# add_theme(:ggplot2,
#           base = :ggplot2_base,
#           bginside = :lightgray,
#           fg       = :lightgray,
#           fgtext   = :gray,
#           fglegend = :gray,
#           fgguide  = :black)
#
# add_theme(:ggplot2_grey, base = :ggplot2)
#
# add_theme(:ggplot2_bw,
#           base = :ggplot2_base,
#           bginside = :white,
#           fg       = :black,
#           fgtext   = :lightgray,
#           fglegend = :lightgray,
#           fgguide  = :black)

_themes[:ggplot2] = PlotTheme(
    bg = :white,
    bginside = :lightgray,
    bglegend = plot_color(:lightgray, 0.8),
    framestyle = :grid,
    gridcolor = :white,
    gridalpha = 1,
    fgtext = :grey,
    fglegend = :white,
    fgguide = :black,
)
